@article{UZERU_2011_3_a4,
     author = {S. G. Shahinyan and G. N. Kirakosyan},
     title = {On the optimal stabilization of a double mathematical pendulum having a movable suspension center},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {31--39},
     publisher = {mathdoc},
     number = {3},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2011_3_a4/}
}